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What is Wireshark primarily used for in cybersecurity?
a. Wireless penetration testing
b. Packet analysis
c. Password cracking
d. Vulnerability scanning
Answer: b. Packet analysisknowledgehut+1
Which protocol can Wireshark analyze?
a. Only HTTP
b. Only DNS
c. Multiple network protocols
d. Only TCP
Answer: c. Multiple network protocolswireshark+1
What file format does Wireshark use to save captured packets?
a. .docx
b. .pcap
c. .xlsx
d. .txt
Answer: b. .pcapvaronis+1
Which feature allows Wireshark to capture traffic from a specific network interface?
a. Color filters
b. Capture filter
c. Display filter
d. Protocol decoding
Answer: b. Capture filterwireshark+1
Wireshark is classified as which type of tool?
a. Firewall
b. Network protocol analyzer
c. DLP tool
d. Antivirus
Answer: b. Network protocol analyzerwireshark+1
What is an important step before analyzing encrypted TLS traffic in Wireshark?
a. Restart the network
b. Obtain session keys
c. Change MAC address
d. Disable firewall
Answer: b. Obtain session keyskings-guard
Which of the following can Wireshark NOT do?
a. Decode protocols
b. Alert about suspicious behavior automatically
c. Capture packets
d. Apply display filters
Answer: b. Alert about suspicious behavior automaticallysecurityscorecard
What is a real-world use for Wireshark in enterprise cybersecurity?
a. Network forensics investigation
b. File encryption
c. OS hardening
d. Web design
Answer: a. Network forensics investigationknowledgehut+1
Which operating system supports Wireshark installation?
a. Only Windows
b. Only macOS
c. Multiple platforms (Windows, macOS, Linux)
d. Only Linux
Answer: c. Multiple platforms (Windows, macOS, Linux)upguard+1
What does the Statistics menu in Wireshark provide?
a. Virus signatures
b. Detailed capture metrics
c. Firewall rules
d. User credentials
Answer: b. Detailed capture metricsvaronis
If suspicious DNS queries are detected in Wireshark, what could this indicate?
a. Hardware failure
b. Malware C2 communication
c. Unused ports
d. Software update
Answer: b. Malware C2 communicationkings-guard
What protocol filter would you use to view only HTTP traffic in Wireshark?
a. tcp
b. http
c. udp
d. icmp
Answer: b. httpwireshark+1
Which Wireshark feature helps identify infected hosts in a network?
a. Packet coloring
b. ARP scanning analysis
c. File transfer logs
d. Web history
Answer: b. ARP scanning analysisunit42.paloaltonetworks
Why is Wireshark recommended for non-Windows environments in malware analysis?
a. It does not run on Windows
b. Windows is prone to malware interference during analysis
c. Linux is faster
d. macOS has better graphics
Answer: b. Windows is prone to malware interference during analysisunit42.paloaltonetworks
What command-line argument makes Wireshark capture for a certain duration?
a. -d time
b. -a duration
c. -c packets
d. -p time
Answer: b. -a durationvaronis
What unique value helps Wireshark identify different hosts in packet capture?
a. IP address
b. Browser type
c. OS version
d. Application ID
Answer: a. IP addressunit42.paloaltonetworks+1
What is a display filter in Wireshark?
a. To select a capture source
b. To narrow the view to specific traffic
c. To decode packets
d. To analyze malware
Answer: b. To narrow the view to specific trafficwireshark+1
What is the main benefit of protocol decoding in Wireshark?
a. Increased encryption
b. Detecting malformed packets and exploits
c. Faster downloads
d. Longer battery life
Answer: b. Detecting malformed packets and exploitssecurityscorecard
Which item does NOT require Wireshark’s assistance?
a. Firewall configuration
b. Network packet inspection
c. Vulnerability analysis
d. Session reconstruction
Answer: a. Firewall configurationknowledgehut+1
Which of the following best describes Wireshark?
a. Open-source tool for packet analysis
b. Commercial DLP product
c. Antivirus software
d. Network scanner only
Answer: a. Open-source tool for packet analysiswireshark+1
What kind of traffic can Wireshark capture on wireless networks?
a. Unencrypted only
b. Encrypted only
c. Both encrypted and unencrypted (with keys)
d. No wireless capability
Answer: c. Both encrypted and unencrypted (with keys)kings-guard+1
What key Wireshark feature assists in “following TCP streams”?
a. ARP analysis
b. Session reconstruction
c. Protocol selection
d. Malware signature matching
Answer: b. Session reconstructionknowledgehut+1
What tool is often used alongside Wireshark for locating rogue DHCP servers?
a. Traceroute
b. Netstat
c. Nmap
d. Wireshark itself
Answer: d. Wireshark itselflearningnetwork.cisco
Which item is a typical indicator of compromise found with Wireshark?
a. Proprietary file extension
b. Suspicious IP addresses
c. Monitor refresh rate
d. Browser themes
Answer: b. Suspicious IP addressesunit42.paloaltonetworks
What statistical graph in Wireshark helps visualize packet flow over time?
a. I/O graph
b. MAC chart
c. RAM graph
d. DNS histogram
Answer: a. I/O graphvaronis
What protocol version does Wireshark decode for current web traffic?
a. SMTP
b. HTTP/2
c. GTalk
d. FTP
Answer: b. HTTP/2securityscorecard
What can colored rules in Wireshark help quickly identify?
a. Unused ports
b. Suspicious protocols or anomalies
c. CPU temperature
d. Disk fragmentation
Answer: b. Suspicious protocols or anomalieskings-guard
How does Wireshark help in vulnerability analysis?
a. By scanning for open ports
b. By inspecting traffic for weak authentication or unencrypted data
c. By managing passwords
d. By encrypting files
Answer: b. By inspecting traffic for weak authentication or unencrypted dataknowledgehut
What export format does Wireshark offer for packet data?
a. PDF
b. CSV
c. TXT
d. All of the above
Answer: d. All of the abovewireshark
What does Wireshark NOT do in terms of cybersecurity?
a. Block threats automatically
b. Analyze traffic in detail
c. Capture live packets
d. Decode applications’ protocols
Answer: a. Block threats automaticallysecurityscorecard+1
What is a pcap file in Wireshark usage?
a. Packet capture data
b. Password list
c. User manual
d. Video stream
Answer: a. Packet capture datawireshark+1
Which scenario would Wireshark be LEAST effective?
a. Detecting encrypted botnet traffic without keys
b. Diagnosing plain text DNS leaks
c. Visualizing ARP poisoning
d. Tracking file transfers
Answer: a. Detecting encrypted botnet traffic without keyskings-guard+1
What can Wireshark’s Follow Stream feature reconstruct?
a. TCP sessions
b. Disk partitions
c. BIOS updates
d. Firewall rules
Answer: a. TCP sessionsknowledgehut+1
Wireshark is often deployed in which stage of incident response?
a. Initial detection
b. Containment and detailed investigation
c. Policy creation
d. Patch deployment
Answer: b. Containment and detailed investigationsecurityscorecard
How does Wireshark assist during system compromise assessment?
a. By reconstructing sessions and identifying attack vectors
b. By resetting passwords
c. By formatting disks
d. By clearing cache
Answer: a. By reconstructing sessions and identifying attack vectorssecurityscorecard+1
What must be considered when analyzing malware packet captures in Wireshark?
a. Infection spreading risk
b. Correct time zone settings
c. File size limits
d. Safe environment for analysis
Answer: d. Safe environment for analysisunit42.paloaltonetworks
Which protocol does Wireshark support for analyzing secure web traffic?
a. TLS
b. SMTP
c. SNMP
d. ARP
Answer: a. TLSkings-guard+1
Which filter would isolate traffic to a specific IP address in Wireshark?
a. ip.addr == x.x.x.x
b. mac.src == zz:zz:zz:zz:zz:zz
c. tcp.port == 80
d. filename == “secret.txt”
Answer: a. ip.addr == x.x.x.xwireshark
How does Wireshark support compliance audits?
a. By providing evidence of unencrypted data transmission
b. By installing antivirus software
c. By patching vulnerabilities
d. By optimizing code speed
Answer: a. By providing evidence of unencrypted data transmissionknowledgehut
What is the recommended Wireshark version for current malware traffic analysis?
a. 1.x
b. 2.x
c. 3.x or recent versions
d. 0.99
Answer: c. 3.x or recent versionsunit42.paloaltonetworks
What indicator can suggest exfiltration in Wireshark traffic?
a. Frequent outbound connections to unfamiliar domains
b. Slow ping times
c. Large email attachments
d. Blocked pop-ups
Answer: a. Frequent outbound connections to unfamiliar domainssecurityscorecard+1
What is necessary for decrypting SSL/TLS traffic in Wireshark?
a. Proper session key log file
b. Administrator password
c. System BIOS update
d. Firewall reset
Answer: a. Proper session key log filekings-guard
What is an advanced Wireshark customization for malware protocol analysis?
a. Writing custom dissectors in Lua
b. Changing system RAM
c. Updating browser extensions
d. Using proprietary software only
Answer: a. Writing custom dissectors in Luakings-guard
What limitation should security professionals remember when using Wireshark?
a. No IDS functionality (alerts)
b. No packet capture capability
c. No support for Linux
d. No decoding for IP addresses
Answer: a. No IDS functionality (alerts)securityscorecard
How does Wireshark assist with network latency problems?
a. By showing retransmissions and packet loss metrics
b. By scanning open ports
c. By blocking malicious packets
d. By upgrading cables
Answer: a. By showing retransmissions and packet loss metricssecurityscorecard
What is a potential risk when capturing sensitive packets with Wireshark?
a. Exposing confidential data if captures are shared
b. System reboot
c. Internet speed reduction
d. Increased fan noise
Answer: a. Exposing confidential data if captures are sharedwireshark+1
What is the best way to learn Wireshark functionality for cybersecurity?
a. Following tutorials and online labs
b. Only reading documentation
c. Watching TV series
d. Debugging hardware
Answer: a. Following tutorials and online labsreddit+1
In network troubleshooting, what unique advantage does Wireshark provide?
a. Packet-level visibility
b. VPN creation
c. Hard disk repair
d. Printer maintenance
Answer: a. Packet-level visibilityvaronis+1
What is one role Wireshark plays in cloud security?
a. Analyzing virtual traffic flows for anomalies
b. Encrypting disk storage
c. Managing cloud billing
d. Updating cloud firmware
Answer: a. Analyzing virtual traffic flows for anomaliesupguard+1
What is the first step when starting a new capture in Wireshark?
a. Selecting the appropriate network interface
b. Editing configuration files
c. Changing system time
d. Installing firmware
Answer: a. Selecting the appropriate network interfacewireshark+1

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